Bluestar

 Overview 

Bluestar plays an important role during the first series as the leader of Thunderclan, as well as Firestar's mentor[1]. Even after her death she appears again many times as a Starclan warrior. Bluestar first appears in Into the Wild[2] next to Spottedleaf as they receive a prophecy later revealed to be about Firestar. Bluestar also got a super edition named Bluestar's Prophecy, which was released July 28 2009 by HarperCollins[3].

 Appearance 

Bluestar was described as a blue-gray she-cat, tinged with silver around her muzzle[4], piercing blue eyes and an ugly scar parting the fur across her shoulders[5].

 References 

[1] Retrieved from Into the Wild, page 64

[2] Retrieved from Into the Wild, page 15

[3] Retrieved from Wikipedia, Bluestar's Prophecy

[4] Retrieved from Into the Wild, page 7

[5] Retrieved from Into the Wild, page 21